Home / 219,559.38-302,991.84-118,957.38

Finding the Fourth Proportional to 219,559.38, 302,991.84 and 118,957.38

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Solution

The fourth proportional to 219,559.38, 302,991.84 and 118,957.38 is: 164,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,559.38 : 302,991.84 = 118,957.38 : x
  2. Step 2: Convert to fraction form
    219,559.38/302,991.84 = 118,957.38/x
  3. Step 3: Cross multiply
    219,559.38x = 302,991.84 × 118,957.38
  4. Step 4: Simplify right side
    219,559.38x = 36,043,115,447.78
  5. Step 5: Solve for x
    x = 36,043,115,447.78/219,559.38
  6. Step 6: Final answer
    x = 164,161.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.